Jaktstuguskogen Nature Reserve
| Jaktstuguskogen Nature Reserve | |
|---|---|
The hunting lodge, built in 1909 | |
Location within Södermanland County | |
| Location | Sweden |
| Nearest city | Flen |
| Coordinates | 59°03′00″N 16°49′12″E / 59.05000°N 16.82000°E |
| Area | 52.8 ha (130 acres) |
| Established | 1919 |
Jaktstuguskogen Nature Reserve (Swedish: Jaktstuguskogens naturreservat) is a nature reserve in Södermanland County, on the southeast coast of Sweden. Established in 1919, it is the oldest nature reserve in the county and the first natural monument of Sweden.